Ubuntu
ubuntu-drivers-common package

  1. Bug #1307069
  2. Comment #26

Comment 26 for bug 1307069

Revision history for this message
Martin Pitt (pitti) wrote :

> The module can be loaded on boot and then it can (automatically) be unloaded (at some point) if the GPU is disabled in a hybrid system.

Then I suggest to install an udev rule like

  ACTION=="remove", SUBSYSTEM=="module", DEVPATH=="*/nvidia", RUN+="/bin/touch /run/nvidia_unloaded"

(this assumes the module is called "nvidia.ko" -- adjust the DEVPATH match as appropriate) and check whether /run/nvidia_unloaded exists.